The Tube Assembly,metal, cataloged under National Stock Number 4710-01-526-3402, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-526-3402 |
| Primary Part Number | 7253135-51 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Seat Angle in Deg | 37.0 SINGLE END |
| End Connection Style | SWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE SINGLE END |
| Tube Outside Diameter | 0.688 INCHES NOMINAL IN |
| Thread Class | 2B SINGLE END |
| Material | STEEL CORROSION RESISTING SINGLE END |
| Material | STEEL CORROSION RESISTING TUBING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7253135-51 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7253135 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4710-01-526-3402 is a Tube Assembly,metal, manufactured by Naval Sea Systems Command, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-526-3402 has 1 manufacturer part number on file: 7253135-51 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-526-3410. Verify interchangeability with system specifications before substitution.
Key specifications for 7253135-51: Seat Angle in Deg: 37.0 SINGLE END; End Connection Style: SWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE SINGLE END; Tube Outside Diameter: 0.688 INCHES NOMINAL IN; Special Features: PREBENT FLARED TUBE WITH SLEEVE AND NUT; PASSIVATED CRES STEEL. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.